Messages in this thread | | | Date | Fri, 13 Nov 1998 14:44:14 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: global kernel lock |
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On Fri, 13 Nov 1998, Andi Kleen wrote: > > There seems to be another race: running do_anonymous_page outside the global > lock relies on put_page/set_pte being atomic.
Well, it doesn't, really. It does rely on set_pte() being one single memory operation, but it doesn't require it to actually be synchronized with other CPU's (it's ok if another CPU sees the old zero value).
Linus
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